an impressive demonstration of what can happen was shown by the decline of the fish fauna and the loss of the herbivorous sea urchin population in the Caribbean (Diadema see Chapter-III, fig.3.7);
p.xx; in ....
Ward J.R., Lafferty K.D.; 2004; The Elusive Baseline of Marine Disease: Are Diseases in Ocean Ecosystems Increasing?; PLoS Biology Vol.2, Issue 4;